Home / 1,981,733.25-2,734,700.37-1,122,299.66

Finding the Fourth Proportional to 1,981,733.25, 2,734,700.37 and 1,122,299.66

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Solution

The fourth proportional to 1,981,733.25, 2,734,700.37 and 1,122,299.66 is: 1,548,721.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,981,733.25 : 2,734,700.37 = 1,122,299.66 : x
  2. Step 2: Convert to fraction form
    1,981,733.25/2,734,700.37 = 1,122,299.66/x
  3. Step 3: Cross multiply
    1,981,733.25x = 2,734,700.37 × 1,122,299.66
  4. Step 4: Simplify right side
    1,981,733.25x = 3,069,153,289,841.38
  5. Step 5: Solve for x
    x = 3,069,153,289,841.38/1,981,733.25
  6. Step 6: Final answer
    x = 1,548,721.70

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.